19 LUMBER, PRESERVATIVE TREATED LUMBER, AND BUILDING MATERIALS, NAMELY, REMANUFACTURED LUMBER, ROOF TRUSSES, STAIR STRINGERS, BALUSTERS AND RAILS, LANDSCAPE TIMBERS, WOODEN FENCING AND FENCING COMPONENTS, MAILBOX POST KITS, WOODEN LATTICE, MOBILE/MODULAR HOME COMPONENTS, NAMELY, ROOF TRUSSES AND FLOOR AND CEILING JOISTS